GB/T 21558-2025
UpcomingRigid polyurethane foam for building thermal insulation
建筑绝热用硬质聚氨酯泡沫塑料
Application Summary AI generated
This standard specifies the classification, technical requirements, test methods, and inspection rules for rigid polyurethane foam used in building thermal insulation. It is applied in the construction industry for products such as insulation boards, spray-applied foam, and prefabricated panels used in walls, roofs, and floors to ensure energy efficiency and fire safety. The standard is referenced by manufacturers, testing laboratories, and quality supervision authorities for product certification and compliance verification.
Related Standards
GB/T 10655-2003
Polymeric materials，cellular flexible--Determination of air flow permeability
GB/T 18945-2003
Polymeric materials，cellular flexible--Method of assessment of air flow value at constant pressure-drop
GB/T 18942.2-2003
Flexible cellular polymeric materials--Determination of stress-strain characteristicsin compression--Part 2: High density maternals
GB/T 18942.1-2003
Polymeric material，cellular flexible--Determination of stress-strain characteristic in compression--Part 1: Low density materials
GB/T 18941-2003
Flexible cellular polymeric materials--Determination of fatigue by constant-load pounding
GB/T 14274-2003
Polymeric materials，cellular flexible--Accelerated ageing tests
GB/T 12825-2003
Polymeric materials，cellular flexible--Determination of hardness by indentation technique
GB/T 18944.1-2003
Flexible cellular polymeric materials--Sponge and expanded cellular rubber products--Part 1:Sheeting
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.